What’s the cheapest layover airport for flights from St. Louis to Copenhagen?

Atlanta (ATL) is the most affordable 1-stop option, with an average round-trip price of $754.

Which airport typically offers the quickest layover for flights from St. Louis to Copenhagen?

Flights via Philadelphia (PHL) offer the fastest connection on this route, with an average layover time of 1h 51m.

What’s the top layover airport for flights from St. Louis to Copenhagen?

Philadelphia (PHL) – chosen by Cheapflights users on 67% of 1-stop itineraries from St. Louis to Copenhagen on Cheapflights.

What’s the fastest layover option from St. Louis to Copenhagen?

Flights via Philadelphia (PHL) have the shortest average one-way travel time for 1-stop routes: 11h 06m.

How long is the flight from St. Louis to Copenhagen?

Airlines like United Airlines, Lufthansa, and Air Canada fly from St. Louis to Copenhagen in about 11h 45m. The time it takes to get you to your destination can typically vary by up to 22h 10m. The distance between St. Louis and Copenhagen is about 4511 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

What are the cheapest airlines flying from St. Louis to Copenhagen round-trip?

Our cheapest airline available from St. Louis to Copenhagen is Delta. Our recent data shows that you can find tickets from as low as $593 on this airline. Additional options worth looking into are KLM and Lufthansa, starting at $625 and $626 round-trip. These flights start at 31% lower than the current average price 3 months from now.

What is the cheapest day to fly from St. Louis to Copenhagen?

Travelers seeking maximum savings on their St. Louis to Copenhagen flight should consider departing on Tuesday at noon when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in Copenhagen ranges from 0.8 - 2.8 inches per month. August is typically the wettest month, when rainfall can reach 2.8 in. February is typically the driest time to visit Copenhagen when rainfall is around 0.8 in.

If weather is an important factor for your trip to Copenhagen, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 60.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

What are the most popular airlines that fly from St. Louis to Copenhagen?

Before booking your flight from St. Louis to Copenhagen check out the most popular airlines for this route: American Airlines, Air Canada or British Airways.

What is the cheapest day to fly round-trip from St. Louis to Copenhagen?

Leaving on a Monday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 84% on the overall cost on flights from St. Louis to Copenhagen.

How far in advance should I book a flight from St. Louis to Copenhagen?

To save on the cost of your flight from St. Louis to Copenhagen, book at least 36 days before your planned departure. Booking around this time can save you about 44% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $842 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $1,074.

What is the cheapest month to fly from St. Louis to Copenhagen?

February can be a great time to fly to Copenhagen from St. Louis with a flight ticket averaging about $863. Cheapflights users have found deals in the month of February for as cheap as $551. The most expensive prices can be found in the month of December.

Can I find deals for flights from St. Louis to Copenhagen that include hotel bookings?

Yes. In addition to deals on St. Louis to Copenhagen flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from St. Louis to Copenhagen?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Copenhagen.

Can I find deals for business class flights from St. Louis to Copenhagen?

Yes. Cheapflights offers flight deals from St. Louis to Copenhagen by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$366+ Flights from St. Louis to Copenhagen

Q: How much does it cost to fly round-trip from St. Louis to Copenhagen?

Airfare is below average for this route at the moment. St. Louis to Copenhagen flights typically cost between $666 and $970 in October. The cheapest round-trip price found within the last 3 days was $588 on United Airlines (Oct 15-Dec 11).

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Cheapflights Tip: The best prices from Lambert-St Louis to Kastrup Copenhagen are usually found in February or January, booked 37 days in advance, depart on a Tuesday or Wednesday and return on a Saturday

Cheap flight deals from St. Louis to Copenhagen

Round-trip from	$588 (United Airlines)
One-way from	$366 (Kiwi.com)
Popular in	December
Cheapest in	February
Average price	$779

From Lambert-St Louis to Kastrup Copenhagen

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One-way flight from Lambert-St Louis to Kastrup Copenhagen

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Highest demand for flights based on searches. 7% potential increase in price ($65 potential increase over avg. RT price).

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Cheapest flight prices on average. 3% potential price decrease ($31 potential savings vs. average RT price).

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Average for round-trip flights in September 2025

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Find flight deals from St. Louis to Copenhagen

Cheapest flights from St. Louis to Copenhagen
Explore the most affordable flight options available from St. Louis to Copenhagen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

Wed 10/154:05 pmSTL - CPH

1 stop11h 45mUnited Airlines

Thu 12/117:05 amCPH - STL

2 stops39h 24mUnited Airlines

Deal found 9/11

$588

Wed 10/156:00 amSTL - CPH

2 stops21h 50mMultiple Airlines

Thu 12/117:05 amCPH - STL

2 stops39h 24mMultiple Airlines

Deal found 9/11

$592

Wed 11/263:50 pmSTL - CPH

1 stop14h 45mLufthansa

Fri 12/56:50 amCPH - STL

1 stop14h 05mLufthansa

Deal found 9/10

$601

Wed 11/266:43 pmSTL - CPH

2 stops15h 52mLufthansa

Wed 12/36:50 amCPH - STL

1 stop14h 05mLufthansa

Deal found 9/10

$602

Tue 11/2512:31 pmSTL - CPH

2 stops22h 04mLufthansa

Wed 12/36:50 amCPH - STL

1 stop14h 05mLufthansa

Deal found 9/10

$607

Tue 11/254:05 pmSTL - CPH

2 stops33h 55mAir Canada

Thu 12/42:20 pmCPH - STL

2 stops32h 09mAir Canada

Deal found 9/10

$608

Wed 11/2612:31 pmSTL - CPH

2 stops18h 34mUnited Airlines

Fri 12/510:10 amCPH - STL

2 stops16h 38mUnited Airlines

Deal found 9/10

$609

Wed 11/263:50 pmSTL - CPH

1 stop14h 45mLufthansa

Thu 12/47:05 amCPH - STL

2 stops16h 58mLufthansa

Deal found 9/10

$611

Sat 11/294:05 pmSTL - CPH

2 stops38h 30mAir Canada

Tue 12/92:20 pmCPH - STL

2 stops32h 09mAir Canada

Deal found 9/10

$614

Thu 11/273:15 pmSTL - CPH

1 stop12h 25mScandinavian Airlines

Thu 12/41:15 pmCPH - STL

1 stop14h 48mScandinavian Airlines

Deal found 9/10

$619

Tue 11/256:43 pmSTL - CPH

2 stops21h 22mLufthansa

Tue 12/27:00 pmCPH - STL

1 stop25h 55mLufthansa

Deal found 9/10

$626

Best flights from St. Louis to Copenhagen
Discover carefully curated flight deals from St. Louis to Copenhagen that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 11, 2025.

Wed 10/154:05 pmSTL - CPH

1 stop11h 45mUnited Airlines

Thu 12/117:05 amCPH - STL

2 stops39h 24mUnited Airlines

Deal found 9/11

$588

Wed 10/156:00 amSTL - CPH

2 stops21h 50mMultiple Airlines

Thu 12/117:05 amCPH - STL

2 stops39h 24mMultiple Airlines

Deal found 9/11

$592

Wed 11/263:50 pmSTL - CPH

1 stop19h 15mLufthansa

Wed 12/36:50 amCPH - STL

1 stop14h 05mLufthansa

Deal found 9/10

$601

Tue 11/254:05 pmSTL - CPH

2 stops33h 55mAir Canada

Thu 12/42:20 pmCPH - STL

2 stops32h 09mAir Canada

Deal found 9/10

$608

Fri 11/288:40 amSTL - CPH

2 stops19h 40mBritish Airways

Thu 12/41:00 pmCPH - STL

2 stops37h 29mBritish Airways

Deal found 9/11

$660

Wed 12/34:05 pmSTL - CPH

2 stops33h 55mAir Canada

Tue 12/96:50 amCPH - STL

2 stops39h 39mAir Canada

Deal found 9/10

$608

Sun 11/3011:05 amSTL - CPH

2 stops19h 55mUnited Airlines

Tue 12/96:50 amCPH - STL

2 stops21h 50mUnited Airlines

Deal found 9/10

$609

Fri 11/283:14 pmSTL - CPH

2 stops19h 21mMultiple Airlines

Fri 12/56:55 amCPH - STL

1 stop14h 00mMultiple Airlines

Deal found 9/11

$652

Wed 11/2611:05 amSTL - CPH

2 stops20h 00mUnited Airlines

Wed 12/310:05 amCPH - STL

2 stops16h 43mUnited Airlines

Deal found 9/10

$609

Sun 10/264:50 pmSTL - CPH

1 stop12h 55mUnited Airlines

Sun 11/210:05 amCPH - STL

2 stops16h 34mUnited Airlines

Deal found 9/11

$661

Last-minute flights from St. Louis to Copenhagen
Discover last-minute flight deals from St. Louis to Copenhagen. Data last updated September 11, 2025 and is based on user searches.

Fri 9/2612:25 pmSTL - CPH

2 stops21h 30mMultiple Airlines

Tue 9/3012:45 pmCPH - STL

1 stop33h 33mMultiple Airlines

Deal found 9/10

$747

Wed 10/154:05 pmSTL - CPH

1 stop11h 45mUnited Airlines

Thu 12/117:05 amCPH - STL

2 stops39h 24mUnited Airlines

Deal found 9/11

$588

Wed 10/156:00 amSTL - CPH

2 stops21h 50mMultiple Airlines

Thu 12/117:05 amCPH - STL

2 stops39h 24mMultiple Airlines

Deal found 9/11

$592

Thu 10/163:30 pmSTL - CPH

1 stop11h 25mDelta

Mon 10/276:45 amCPH - STL

2 stops22h 21mDelta

Deal found 9/9

$726

Thu 10/1612:25 pmSTL - CPH

2 stops26h 40mMultiple Airlines

Mon 10/272:20 pmCPH - STL

2 stops55h 09mMultiple Airlines

Deal found 9/9

$731

Sat 10/253:59 pmSTL - CPH

1 stop11h 51mScandinavian Airlines

Sat 11/11:15 pmCPH - STL

1 stop14h 49mScandinavian Airlines

Deal found 9/10

$639

Sat 10/258:20 pmSTL - CPH

2 stops54h 40mMultiple Airlines

Sat 11/112:40 pmCPH - STL

2 stops40h 00mMultiple Airlines

Deal found 9/10

$676

Sat 10/258:20 pmSTL - CPH

2 stops39h 15mUnited Airlines

Sat 11/12:30 pmCPH - STL

2 stops39h 15mUnited Airlines

Deal found 9/10

$683

Sun 10/264:50 pmSTL - CPH

1 stop12h 55mUnited Airlines

Sun 11/210:05 amCPH - STL

2 stops16h 34mUnited Airlines

Deal found 9/11

$661

One-way flights from St. Louis to Copenhagen
Search for one-way flight options from St. Louis to Copenhagen. Find affordable one-way fares based on user searches. Data last updated September 11, 2025.

Sun 10/2610:57 amSTL - CPH

3 stops48h 38mMultiple Airlines

Deal found 9/9

$366

Sat 9/277:55 pmSTL - CPH

3 stops56h 15mMultiple Airlines

Deal found 9/9

$371

Fri 9/269:35 pmSTL - CPH

3 stops55h 20mMultiple Airlines

Deal found 9/9

$452

Sun 10/264:50 pmSTL - CPH

1 stop12h 55mLufthansa

Deal found 9/9

$458

Sat 9/275:28 pmSTL - CPH

2 stops30h 42mAir Canada

Deal found 9/9

$480

Fri 9/263:23 pmSTL - CPH

2 stops56h 47mUnited Airlines

Deal found 9/9

$521

Sat 9/274:10 pmSTL - CPH

1 stop31h 20mKLM

Deal found 9/9

$523

Fri 9/265:40 pmSTL - CPH

1 stop33h 15mKLM

Deal found 9/9

$582

Cheapflights Fare Finder

Use the filters below to find and compare flights from St. Louis to Copenhagen that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisCopenhagen

STL - CPH

STLCPH

Lambert-St Louis

Wed 10/15

4:05 pm-10:50 am

1 stop11h 45m

Kastrup Copenhagen

Thu 12/11

7:05 am-3:29 pm

2 stops39h 24m

$588

St. LouisCopenhagen

STL - CPH

STLCPH

Lambert-St Louis

Wed 10/15

6:00 am-10:50 am

2 stops21h 50m

Kastrup Copenhagen

Thu 12/11

7:05 am-3:29 pm

2 stops39h 24m

$592

St. LouisCopenhagen

STL - CPH

STLCPH

Lambert-St Louis

Wed 11/26

3:50 pm-6:05 pm

1 stop19h 15m

Kastrup Copenhagen

Wed 12/3

6:50 am-1:55 pm

1 stop14h 05m

$601

St. LouisCopenhagen

STL - CPH

STLCPH

Lambert-St Louis

Tue 11/25

4:05 pm-9:00 am

2 stops33h 55m

Kastrup Copenhagen

Thu 12/4

2:20 pm-3:29 pm

2 stops32h 09m

$608

St. LouisCopenhagen

STL - CPH

STLCPH

Lambert-St Louis

Wed 12/3

4:05 pm-9:00 am

2 stops33h 55m

Kastrup Copenhagen

Tue 12/9

6:50 am-3:29 pm

2 stops39h 39m

$608

St. LouisCopenhagen

STL - CPH

STLCPH

Lambert-St Louis

Sun 11/30

11:05 am-2:00 pm

2 stops19h 55m

Kastrup Copenhagen

Tue 12/9

6:50 am-9:40 pm

2 stops21h 50m

$609

St. LouisCopenhagen

STL - CPH

STLCPH

Lambert-St Louis

Wed 11/26

11:05 am-2:05 pm

2 stops20h 00m

Kastrup Copenhagen

Wed 12/3

10:05 am-7:48 pm

2 stops16h 43m

$609

St. LouisCopenhagen

STL - CPH

STLCPH

Lambert-St Louis

Fri 11/28

3:14 pm-5:35 pm

2 stops19h 21m

Kastrup Copenhagen

Fri 12/5

6:55 am-1:55 pm

1 stop14h 00m

$652

St. LouisCopenhagen

STL - CPH

STLCPH

Lambert-St Louis

Fri 11/28

8:40 am-11:20 am

2 stops19h 40m

Kastrup Copenhagen

Thu 12/4

1:00 pm-7:29 pm

2 stops37h 29m

$660

St. LouisCopenhagen

STL - CPH

STLCPH

Lambert-St Louis

Sun 10/26

4:50 pm-11:45 am

1 stop12h 55m

Kastrup Copenhagen

Sun 11/2

10:05 am-7:39 pm

2 stops16h 34m

$661

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 18 results

Best time to book a flight from St. Louis to Copenhagen

Have a flexible travel schedule? Discover the best time to fly to Copenhagen from St. Louis with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from St. Louis to Copenhagen

Prices

How far ahead should I book a flight from St. Louis to Copenhagen?

The best time to book flights from St. Louis to Copenhagen is 35 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from St. Louis to Copenhagen?

Currently, November is the cheapest month in which you can book a flight from St. Louis to Copenhagen (average of $523). Flying from St. Louis to Copenhagen in June is currently the most expensive (average of $910). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from STL to CPH?

It’s optimal to fly from St. Louis to Copenhagen in the morning. By choosing this option you can save up to 20% on the cost of your flight, compared to a flight at noon.

How much does it cost to fly round-trip from St. Louis to Copenhagen?

Reviews of airlines servicing Copenhagen

See what other customers who have flown with Delta, Scandinavian Airlines, and United Airlines from St. Louis to Copenhagen have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,960 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very good

7,960 reviews

Delta

8.0

Very good

7,960 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Scandinavian Airlines

7.4

Good

1,484 reviews

Delta

8.0

Very good

7,960 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

United Airlines

7.4

Good

8,937 reviews

Delta

8.0

Very good

7,960 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

7,960 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Air Canada

7.1

Good

10,000 reviews

Delta

8.0

Very good

7,960 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

How long is the flight from St. Louis to Copenhagen?
Airlines like United Airlines, Lufthansa, and Air Canada fly from St. Louis to Copenhagen in about 11h 45m. The time it takes to get you to your destination can typically vary by up to 22h 10m. The distance between St. Louis and Copenhagen is about 4511 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.
What are the cheapest airlines flying from St. Louis to Copenhagen round-trip?
Our cheapest airline available from St. Louis to Copenhagen is Delta. Our recent data shows that you can find tickets from as low as $593 on this airline. Additional options worth looking into are KLM and Lufthansa, starting at $625 and $626 round-trip. These flights start at 31% lower than the current average price 3 months from now.
Can I find deals for flights from St. Louis to Copenhagen that include hotel bookings?
Yes. In addition to deals on St. Louis to Copenhagen flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from St. Louis to Copenhagen?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Copenhagen.
Can I find deals for business class flights from St. Louis to Copenhagen?
Yes. Cheapflights offers flight deals from St. Louis to Copenhagen by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from St. Louis to Copenhagen?
Currently, November is the cheapest month in which you can book a flight from St. Louis to Copenhagen (average of $523). Flying from St. Louis to Copenhagen in June is currently the most expensive (average of $910). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Kastrup

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for St. Louis to Copenhagen

Kansas City to Copenhagen flights

Other flights to Copenhagen

Top 8 airlines flying from St. Louis to Copenhagen

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$593	Average$811	FlexibilityNo cancel fee	On-timeN/A
KLM	Cheapest$625	Average$960	FlexibilityNo cancel fee	On-time75%
Lufthansa	Cheapest$626	Average$798	FlexibilityNo cancel fee	On-time76%
United Airlines	Cheapest$654	Average$896	FlexibilityNo cancel fee	On-time69%
Scandinavian Airlines	Cheapest$655	Average$957	FlexibilityNo cancel fee	On-time77%
Air Canada	Cheapest$659	Average$950	FlexibilityNo cancel fee	On-time67%
British Airways	Cheapest$663	Average$1,073	FlexibilityNo cancel fee	On-time70%
American Airlines	Cheapest$821	Average$1,067	FlexibilityNo cancel fee	On-time71%

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$366+ Cheap flights from St. Louis (STL) to Copenhagen (CPH)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/26. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from St. Louis to Copenhagen with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Lambert-St Louis to Kastrup Copenhagen are usually found in February or January, booked 37 days in advance, depart on a Tuesday or Wednesday and return on a Saturday

Cheap flight deals from St. Louis to Copenhagen

Round-trip from

One-way from

Popular in

Cheapest in

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Find flight deals from St. Louis to Copenhagen

Cheapest flights from St. Louis to CopenhagenExplore the most affordable flight options available from St. Louis to Copenhagen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

Explore the most affordable flight options available from St. Louis to Copenhagen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from St. Louis to Copenhagen that are best for you.

Best time to book a flight from St. Louis to Copenhagen

Have a flexible travel schedule? Discover the best time to fly to Copenhagen from St. Louis with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from St. Louis to Copenhagen

How far ahead should I book a flight from St. Louis to Copenhagen?

What is the cheapest month to book a flight from St. Louis to Copenhagen?

What is the cheapest time of day to fly from STL to CPH?

How much does it cost to fly round-trip from St. Louis to Copenhagen?

What’s the top layover airport for flights from St. Louis to Copenhagen?

What’s the fastest layover option from St. Louis to Copenhagen?

What’s the fastest layover option from St. Louis to Copenhagen?

Which airport typically offers the quickest layover for flights from St. Louis to Copenhagen?

Reviews of airlines servicing Copenhagen

See what other customers who have flown with Delta, Scandinavian Airlines, and United Airlines from St. Louis to Copenhagen have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Copenhagen. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

How long is the flight from St. Louis to Copenhagen?

What are the cheapest airlines flying from St. Louis to Copenhagen round-trip?

Can I find deals for flights from St. Louis to Copenhagen that include hotel bookings?

How can I find direct flights from St. Louis to Copenhagen?

Can I find deals for business class flights from St. Louis to Copenhagen?

What is the cheapest month to book a flight from St. Louis to Copenhagen?

Traveling to a place near Copenhagen?

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Alternative routes for St. Louis to Copenhagen

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Top 8 airlines flying from St. Louis to Copenhagen

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Cheapest flights from St. Louis to Copenhagen
Explore the most affordable flight options available from St. Louis to Copenhagen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.